I submit that http://ask.metafilter.com is as good, or better. Mostly due to their excellent moderators.
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Also because you have to pay $5 to join and they impose traffic caps on newer users to get around some of the spamming problems. So yeah... not entirely apples-to-apples.
[edit to expand] Also because you have to pay $5 to join and they impose traffic caps on newer users to get around some of the spamming problems. So yeah... not entirely apples-to-apples.